Principal VOIP Engineer, Metaswitch Platform Experience

Responsibilities

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• Provide support for SIP and TDM based soft switch translations, facilities and features on the Metaswitch Call Agent and Media Gateways, Enhanced Application Servers, and SBCs.

• Maintain and update LERG daily.

• Extensive experience supporting central office switching and softswitch platforms, including legacy TDM systems (e.g., Nortel DMS-100, Lucent 5ESS) and modern VoIP/SIP infrastructures.

• Deep expertise in SS7, SIP, PRI, media gateways, and session border controllers, including trunk provisioning, call routing, E911, and inter‑carrier interconnects.

• Proven ability to troubleshoot end‑to‑end voice issues across TDM and IP transport layers, ensuring high availability in geographically redundant central office environments.

• Support Product Engineering with systems architecture planning, system implementation guidelines, and engineering guidelines.

• Perform lab testing, design, and architecture work.

• Architect new VoIP products and features.

• Coordinate with vendors, analyze appropriate product offering and develop new products and services for the network.

• Test and approval of new product sets.

• Provide technical assistance and support to other Service Management teams.

• Assist management with all high‑priority projects and prepare technical presentations.

• Provide off‑hours, on‑call, and weekend coverage as required.

• Perform other duties as required to support the business and evolving organization.

Qualifications

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• High school diploma or GED.

• Bachelor's Degree in related field; or equivalent combination of education and experience.

• Minimum of 15 years of experience in a Class 4/5 TDM, softswitch, or hybrid central office environment, with strong experience in Metaswitch and exposure to platforms such as BroadSoft, Lucent 5ESS, Nortel DMS, and GENBAND G6.

• Experience with hosted and cloud-based voice applications and services.

• Experience with network monitoring, management and troubleshooting with various tools such as Packet Sniffer utilities, Wireshark and Metaswitch SAS.

• Experience in designing, implementation, and maintaining secure IP networks.

• Extensive knowledge of feature delivery in hosted VoIP environment (hosted services, SIP trunking, PRI trunking via IAD, VoIP CPE, enhanced business features, etc.).

• Extensive knowledge of VoIP protocols, SIP signaling with emphasis on RTP and SDP, network QoS, IP routing, Ethernet switching (including 802.11q, 802.11p, 802.3af), and packet tagging mechanisms. xayajpt

• Ability to interface well with customers (internal and external).